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How many people know of an instance where a regulator has failed to deliver gas during a dive? I'm sure it's better to have a redundant air source, but lots of solo divers have dove without one, so how big a risk is it really? I haven't heard of a diver with a full tank dying because of a...

I was able to reassemble the dry seal mechanism the way Cressi describes, by pressing on the diaphragm while tightening the ring. It seems to be working fine. I'll take it on a dive Monday. The Cressi logo still looks slightly off centre, but no part of the transmitter is restricted in its...

Your wording was fine, and I understood your message that the sealing mechanism should not interfere with the accurate transmission of ambient pressure.

Tanks A Lot, for all that useful information. You understood the issue better than I did. Now I'm equipped to fix the thing myself rather than driving 2 hours to the shop and back. I can see that the Cressi logo on the transmitter is not perfectly centred under the seal, and is likely tilted...

I have a new Cressi T10 chromo first stage that was giving the shop tech a problem in setting the IP. He removed the retaining ring over the sealing disk to lower the IP, but as he tightened the retainer, the IP increased by about 20 psi. He was able to get the IP where it should be by setting...

Thanks lowwall, the item in the first link (Piranadiving.com) is what I was looking for and I ordered it.

I replaced my old Aqualung Glacia first stage with a Hog D1 first stage. I would like to connect the primary second from the Aqualung to the Hog first stage. Unfortunately, the old Aqualung primary second used a larger than standard fitting on the hose connecting to the first stage. I am hoping...

The authors of the video make false claims to convince us that it's a bad idea to use your suit for buoyancy control: He says that you will have air leaking out of your suit at the neck causing you to lose control of buoyancy. Sure, sometimes a bit of air might burp out around the neck (with...

Hello Angelo, Some people have also wondered if these masks could be modified for use as protective equipment to be worn by healthcare workers. Has anyone printed a simple adapter to connect an anaesthesia filter to the mask's snorkel inlet?

Thanks for all of this. I'll pass this info along to some people over here might who might put it to good use. Also, I was wondering if you used this rig to provide CPAP to spontaneously breathing patients connected to high flow gas from a blender; Or is it best used as an NIV interface?

Great idea Angelo. Is it possible to autoclave or otherwise decontaminate this DIY interface? Which brands of snorkel mask could be fitted to your printed manifold? Do you know anyone who could make and supply this part? Would you be willing to share plans and instructions with those who are...

Being intubated exposes a patient to avoidable risks if non-invasive ventilation could work for him. As Angelo conceded, this would not be a solution for the sickest patients, but it might help to increase overall survival. It could also be used with more basic, and plentiful, ventilators (Bipap...

I bought the Divinycell foam from Aircraft Spruce: DIVINYCELL FOAM PVC from Aircraft Spruce Canada The stuff I used is 1 inch thick H100 (6 pounds per cu ft).

Here is a Flicker link to a set of floats I made out of Divinycell (high density foam). They suspend the housing in a way that doesn't require floats to be attached to strobe arms: https://www.flickr.com/photos/pointymccracken/albums/72157634002354975

If the air in your tank always dropped by 20 degrees on its way to your lungs via the second stage, then your second stage would freeze flow whenever the water temp is below 52 degrees. I, and many others, have dove in water as cold as 34 degrees without experiencing a freeze flow, so I think...

That sounds like the right answer. People on this forum, who dive with more than a single tank, have testified that buoyancy control with the suit alone is problematic. Since I only dive with a single 100 steel tank I couldn't argue with that. However, I will say that it is possible to have...

I often hear people say, with great certainty, that a wing (or BC) is for buoyancy control and that you should only add enough air to the suit to avoid squeeze. I use a trilaminate suit in cold water. The only thing that keeps me warm is the air inside my suit which give the undergarments...

I have Surelock weight pockets on my BC as well. I have come to hate the things because it is way to easy to detach them accidentally while gearing up, or while in the water. Then, as woodcarver states, it is impossible to reattach them without taking off the BC. I have added a second clip to...

SAYS YOU! That is very polarizing, yet benign.